Noun post office has 3 senses
- post office, local post office - a local branch of the United States Post Office
--1 is a kind of branch, subdivision, arm
--1 is a member of United States Post Office, US Post Office, Post Office, PO
--1 has parts: general delivery, poste restante
- United States Post Office, US Post Office, Post Office, PO - an independent agency of the federal government responsible for mail delivery (and sometimes telecommunications) between individuals and businesses in the United States
--2 is a kind of independent agency
--2 has members: post office, local post office
- post office - a children's game in which kisses are exchanged for pretended letters
--3 is a kind of child's game
,